A Minetest mod that brings real world terrain into the game (using freely available DEM tiles). Any image can actually be used which allows for WorldPainter-style map creation using any paint program. This is a lightweight version of bobombolo's realterrain mod, focusing on map generation from bitmap raster images only.
- this mod works out of the box with no libraries when using color BMP rasters
- mod security needs to be disabled (close Minetest and add secure.enable_security = false to minetest.config)
- download the zip file and copy the realterrain folder to /minetest/mods/ (remove -master suffix)
- edit the mod settings.lua file to suit your tastes (not required, default settings should work)
- launch Minetest, create a new world, enable mod and launch game to load the demo
- optionally use chat command /generate in game to generate all nodes defined by the DEM raster
- once map is generated from raster images, disable mod and the Minetest engine will generate the rest
- use any image editing software to "paint" a custom world on two BMP files (dem.bmp and biomes.bmp)
- using gray tones is recommended, but image should be saved as RGB with 24-bit depth and Windows headers
- ensure that dem and biomes images are the same dimensions (however only dem image is required)
- dem.bmp is converted to an 8-bit heightmap with elevation range from 0 (black) to 255 (white)
- biomes.bmp is likewise read as 8-bit with pixel values rounded to one of 17 biome definitions.
Biomes are defined in settings.lua and are represented by one of 17 values between 0 and 255, and 3 extra values for hard-coded biome definitions. Using the following color values in biomes.bmp will result in the corresponding biome:
| 8-Bit Value | Hex Color | Biome |
|---|---|---|
| 0 | #000000 | Lake / Pond |
| 16 | #101010 | Beach |
| 32 | #202020 | Grassland |
| 48 | #303030 | Bushland |
| 64 | #404040 | New Deciduous Forest |
| 80 | #505050 | Old Deciduous Forest |
| 96 | #606060 | New Coniferous Forest |
| 112 | #707070 | Old Coniferous Forest |
| 128 | #808080 | Savannah |
| 144 | #909090 | Desert |
| 160 | #A0A0A0 | Marsh |
| 176 | #B0B0B0 | Tropical Rainforest |
| 192 | #C0C0C0 | Snowy Grassland |
| 208 | #D0D0D0 | Tundra |
| 224 | #E0E0E0 | Boreal Forest / Tiaga |
| 240 | #F0F0F0 | River / Stream |
| 255 | #FFFFFF | Cobblestone Road |
| 256 | N/A | Ocean |
| 257 | N/A | Alpine |
| 258 | N/A | Sub-alpine |
Information about DEM files can be found on the repo this was forked from.
Changelog
0.2
- Added Minetest Game 5.4.0 biomes to the schems folder, moved old ones to old_schems folder
- Set up new biomes to work
0.1
- Changed settings.lua and init.lua to remove errors
- Added two maps of my own